Score based on Round Brilliant ideal proportions.
💡 Tip: Find these numbers on your GIA/IGI certificate under "Proportions".
Why do some diamonds sparkle more? They trap light using physics. Stay within these ranges for maximum fire.
| Grade | Depth % Range | Table % Range |
|---|---|---|
| 🔥 Ideal / Excellent | 59.0% - 62.5% | 54.0% - 58.0% |
| ✨ Very Good | 58.0% - 63.5% | 52.0% - 60.0% |
| ☁️ Good / Fair | Outside above | Outside above |